Results 11 to 20 of about 85,153 (320)
Dust settling and rapid planetary migration [PDF]
Monthly Notices of the Royal Astronomical Society, 2011 16 pages, 13 figures, 3 tables, accepted for publication in ...
Yasuhiro Hasegawa, Ralph E. Pudritz
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How planetary growth outperforms migration [PDF]
Astronomy & Astrophysics, 2019 Planetary migration is a major challenge for planet-formation theories. The speed of type-I migration is proportional to the mass of a protoplanet, while the final decade of growth of a pebble-accreting planetary core takes place at a rate that scales with the mass to the two-thirds power. This results in planetary growth tracks (i.e., the evolution of
Johansen, Anders +2 more
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Influence of viscosity and the adiabatic index on planetary migration [PDF]
Astronomy & Astrophysics, 2012 The strength and direction of migration of low mass embedded planets depends on the disk's thermodynamic state, where the internal dissipation is balanced by radiative transport, and the migration can be directed outwards, a process which extends the lifetime of growing embryos.
Bertram Bitsch, Aaron C. Boley, W. Kley
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Origin of compact exoplanetary systems during disk infall [PDF]
Nature CommunicationsExoplanetary systems that contain multiple planets on short-period orbits appear to be prevalent in the current observed exoplanetary population, yet the processes that give rise to such configurations remain poorly understood.
Raluca Rufu, Robin M. Canup
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PLANETARY MIGRATION AND ECCENTRICITY AND INCLINATION RESONANCES IN EXTRASOLAR PLANETARY SYSTEMS [PDF]
The Astrophysical Journal, 2009 25 pages, including 12 figures; accepted for publication in ...
Man Hoi Lee, Edward W. Thommes
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Planetary Migration and Plutino Orbital Inclinations [PDF]
The Astronomical Journal, 2000 I investigate which mechanisms could have acted during Neptune's past radial migration to excite plutino orbital inclinations to their present values. These processes include Kozai resonance and the ν18 secular resonance, both before and after the plutino's capture into the 2 : 3 mean motion resonance with Neptune. In the case that ν18 acted before the
R. S. Gomes
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Migration-Induced Architectures of Planetary Systems [PDF]
Origins of Life and Evolution of Biospheres, 2012 The recent increase in number of known multi-planet systems gives a unique opportunity to study the processes responsible for planetary formation and evolution. Special attention is given to the occurrence of mean-motion resonances, because they carry important information about the history of the planetary systems. At the early stages of the evolution,
E. Szuszkiewicz, E. Podlewska-Gaca
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Planet heating prevents inward migration of planetary cores [PDF]
Nature, 2015 Planetary systems are born in the disks of gas, dust and rocky fragments that surround newly formed stars. Solid content assembles into ever-larger rocky fragments that eventually become planetary embryos. These then continue their growth by accreting leftover material in the disc.
Benítez Llambay, Pablo +3 more
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The effect of planetary migration on the corotation resonance [PDF]
Monthly Notices of the Royal Astronomical Society, 2006 The migration of a planet through a gaseous disc causes the locations of their resonant interactions to drift and can alter the torques exerted between the planet and the disc. We analyse the time-dependent dynamics of a non-coorbital corotation resonance under these circumstances.
S. H. Lubow +2 more
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Vertical instability and inclination excitation during planetary migration [PDF]
Celestial Mechanics and Dynamical Astronomy, 2014 We consider a two-planet system, which migrates under the influence of dissipative forces that mimic the effects of gas-driven (Type II) migration. It has been shown that, in the planar case, migration leads to resonant capture after an evolution that forces the system to follow families of periodic orbits.
George Voyatzis +2 more
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